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Natalija [7]
3 years ago
8

5 over 7 plus 1 over 7

Mathematics
2 answers:
Kryger [21]3 years ago
4 0
5/7 +1/7
=6/7 , is the answer
julia-pushkina [17]3 years ago
3 0

Answer:

6/7

Step-by-step explanation:

5      1

---  + ---     Because the denominators are the same, add the numerators

7       7

5+1=6

6

---   Can not be simplified, so it is your answer :)

7          

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I participated in a math competition but I did not do very good. Does anybody have some tips?
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Study 5 times on the subject you are focusing on.
4 0
3 years ago
Imagine a regression line that relates y = average systolic blood pressure to x = age. The average blood pressure for people 40
mart [117]

Answer:

2.0

Step-by-step explanation:

x = age

y = average systolic blood pressure

x₁ = 40 years old, y₁ = 110 systolic blood pressure

x₂ = 50 years old, y₂ = 130 systolic blood pressure

\text{Slope of a line}=m=\frac{y_2-y_1}{x_2-x_1}\\\Rightarrow m= \frac{130-110}{50-40}\\\Rightarrow\frac{20}{10}\\\Rightarrow m= 2.0

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4 0
3 years ago
The amounts of plastic waste generated in a region for 2 years were 32,400,000 tons and 20,300,000 tons. What was the total plas
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6 0
3 years ago
Read 2 more answers
Can someone answer 8-11 please
vampirchik [111]

Answer:

7.9

4.2

9.3

17.8

Step-by-step explanation:

8. √63

the square of 8 is 64 √63 is close to 64 so we can say it's 7.9 approximately

9. √18

the square of 4 is 16, √18 is greater than 16 so we can say it's 4.2 approximately

10. √87

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11. √319

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6 0
3 years ago
Solve:<br> 12 + 5 + 3’2 x 10 - 5 = <br> (12 + 5) + 3'2 x (10 – 5) =
kondaur [170]

Answer:

1) 102

2) 62

Step-by-step explanation:

12 + 5 + 3²  × 10 - 5

12 + 5 + 9 × 10 - 5

12 + 5 + 90 - 5

17 + 90 - 5

107 - 5

102

(12+5) + 3² × (10 - 5)

(17) + 9 × (5)

17 + 45

62

4 0
3 years ago
Read 2 more answers
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